GB1493703A - Apparatus and method for calcining gypsum - Google Patents

Apparatus and method for calcining gypsum

Info

Publication number
GB1493703A
GB1493703A GB4383/75A GB438375A GB1493703A GB 1493703 A GB1493703 A GB 1493703A GB 4383/75 A GB4383/75 A GB 4383/75A GB 438375 A GB438375 A GB 438375A GB 1493703 A GB1493703 A GB 1493703A
Authority
GB
United Kingdom
Prior art keywords
low temperature
calciner
temperature
plaster
gypsum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB4383/75A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rheinstahl AG
Original Assignee
Rheinstahl AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rheinstahl AG filed Critical Rheinstahl AG
Publication of GB1493703A publication Critical patent/GB1493703A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B11/00Calcium sulfate cements
    • C04B11/02Methods and apparatus for dehydrating gypsum
    • C04B11/028Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained
    • C04B11/036Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained for the dry process, e.g. dehydrating in a fluidised bed or in a rotary kiln, i.e. to obtain beta-hemihydrate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
GB4383/75A 1974-02-21 1975-01-31 Apparatus and method for calcining gypsum Expired GB1493703A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742408313 DE2408313A1 (de) 1974-02-21 1974-02-21 Traegergasanlage, insbesondere zyklonbrennanlage zum brennen von mehrphasengips

Publications (1)

Publication Number Publication Date
GB1493703A true GB1493703A (en) 1977-11-30

Family

ID=5908055

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4383/75A Expired GB1493703A (en) 1974-02-21 1975-01-31 Apparatus and method for calcining gypsum

Country Status (6)

Country Link
US (1) US3986820A (enrdf_load_stackoverflow)
AT (1) AT332288B (enrdf_load_stackoverflow)
DE (1) DE2408313A1 (enrdf_load_stackoverflow)
FR (1) FR2261997B1 (enrdf_load_stackoverflow)
GB (1) GB1493703A (enrdf_load_stackoverflow)
IT (1) IT1031793B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2140702A (en) * 1980-11-10 1984-12-05 Bpb Industries Plc Fluidised bed calcination

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4115699A1 (de) * 1991-05-14 1992-11-19 Krupp Polysius Ag Verfahren und anlage zur herstellung von anhydrit-fliessestrichgips
DE4208836A1 (de) * 1992-03-19 1993-09-23 Zementanlagen Und Maschinenbau Verfahren und vorrichtung zur herstellung von branntgips

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2833622A (en) * 1956-11-01 1958-05-06 Dorr Oliver Inc Catalytic treatment of alumina in fluidized beds
US3203681A (en) * 1962-12-15 1965-08-31 Rosa Josef Method for heat treatment of powdered raw meterial
BE790039A (fr) * 1971-10-23 1973-02-01 Rheinstahl Ag Procede pour calciner le platre dans un courant de gaz de chauffe. (

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2140702A (en) * 1980-11-10 1984-12-05 Bpb Industries Plc Fluidised bed calcination

Also Published As

Publication number Publication date
ATA127875A (de) 1975-12-15
DE2408313A1 (de) 1975-09-04
FR2261997A1 (enrdf_load_stackoverflow) 1975-09-19
IT1031793B (it) 1979-05-10
AT332288B (de) 1976-09-27
FR2261997B1 (enrdf_load_stackoverflow) 1979-09-28
US3986820A (en) 1976-10-19

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee